APA-viite (7. p.)

Weeks, J. R. (2008). Population: An introduction to concepts and issues (10th ed.). Wadsworth.

Chicago-viite (17. p.)

Weeks, John R. Population: An Introduction to Concepts and Issues. 10th ed. Australia: Wadsworth, 2008.

MLA-viite (9. p.)

Weeks, John R. Population: An Introduction to Concepts and Issues. 10th ed. Wadsworth, 2008.